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[LinearAlgebra] Use BLAS.trsm! instead of LAPACK.trtrs! in generic_trimatdiv! #56439

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amontoison
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BLAS.trsm! is generally more efficient than LAPACK.trtrs! in practice, especially for larger matrices, due to better parallelization and block processing.

@jishnub jishnub added the linear algebra Linear algebra label Nov 4, 2024
@dkarrasch dkarrasch added the performance Must go faster label Nov 11, 2024
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@amontoison Do you have some runtimes available for comparison?

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